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Full-Text Articles in Virology

A Role Of Ubiquitin Regulatory X-Domain Containing Proteins (Ubxn6) In Antiviral Immunity, Harshada Ketkar, Harshada Ketkar Aug 2019

A Role Of Ubiquitin Regulatory X-Domain Containing Proteins (Ubxn6) In Antiviral Immunity, Harshada Ketkar, Harshada Ketkar

NYMC Student Theses and Dissertations

The roles of UBXNs in the regulation of antiviral immune responses have not been much explored. Previous work in our lab identified UBXN1 as a negative regulator of the retinoic acid-inducible gene-I (RIG-I) like receptors (RLR) pathway and UBXN3B as a positive regulator of stimulator-of-interferon Genes (STING) -mediated immune responses. In this study, I aimed to determine the member of UBXNs as a positive regulator of ribonucleic acid (RNA) virus infection-induced innate immune responses. By using an interferon stimulated response element (ISRE)-driven luciferase reporter assay that monitors the activity of type I/III interferon (IFN)-induced janus kinase (JAK) - signal transducer …


Rig-I-Like Receptors Direct Inflammatory Macrophage Polarization Against West Nile Virus Infection., Amy E. L. Stone, Richard Green, Courtney Wilkins, Emily A. Hemann, Michael Gale Jr. Aug 2019

Rig-I-Like Receptors Direct Inflammatory Macrophage Polarization Against West Nile Virus Infection., Amy E. L. Stone, Richard Green, Courtney Wilkins, Emily A. Hemann, Michael Gale Jr.

College of Osteopathic Medicine (TUN) Publications and Research

RIG-I-Like Receptors (RLRs) RIG-I, MDA5, and LGP2, are vital pathogen recognition receptors in the defense against RNA viruses. West Nile Virus (WNV) infections continue to grow in the US. Here, we use a systems biology approach to define the contributions of each RLR in the innate immune response to WNV. Genome-wide RNAseq and bioinformatics analyses of macrophages from mice lacking either RLR reveal that the RLRs drive distinct immune gene activation and response polarization to mediate an M1/inflammatory signature while suppressing the M2/wound healing phenotype. While LGP2 functions to modulate inflammatory signaling, RIG-I and MDA5 together are essential for M1 …


Stalking Flu: Development And Characterization Of A Broadly Neutralizing Monoclonal Antibody Targeting The Influenza Hemagglutinin Stem, Elizabeth Newman May 2019

Stalking Flu: Development And Characterization Of A Broadly Neutralizing Monoclonal Antibody Targeting The Influenza Hemagglutinin Stem, Elizabeth Newman

NYMC Student Theses and Dissertations

Seasonal epidemics caused by influenza A viruses (IAV) result in an estimated 290,000- 650,000 deaths worldwide each year (17). While antivirals targeted to influenza exist, resistance to these drugs is increasing and regular vaccination remains the most effective way to prevent infection (26, 73, 99). However due to the persistence of antigenic drift and shift, influenza vaccines must be updated each season and antigenic mismatches can reduce efficacy (24, 118). Immunity to influenza either from vaccination or infection is principally mediated by antibodies generated to one of its major surface proteins, Hemagglutinin (HA). HA is a homotrimer, each monomer HA0 …